Adding the h2.sql for resolving conflicts

features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/h2.sql

@@ -484,3 +484,26 @@ CREATE TABLE IF NOT EXISTS DM_DEVICE_DETAIL (
     ON DELETE NO ACTION
     ON UPDATE NO ACTION
 );
+
+
+-- POLICY AND DEVICE GROUP MAPPING --
+
+CREATE TABLE IF NOT EXISTS DM_DEVICE_GROUP_POLICY (
+  ID INT NOT NULL AUTO_INCREMENT,
+  DEVICE_GROUP_ID INT NOT NULL,
+  POLICY_ID INT NOT NULL,
+  TENANT_ID INT NOT NULL,
+  PRIMARY KEY (ID),
+  CONSTRAINT FK_DM_DEVICE_GROUP_POLICY
+    FOREIGN KEY (DEVICE_GROUP_ID)
+    REFERENCES DM_GROUP (ID)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION,
+  CONSTRAINT FK_DM_DEVICE_GROUP_DM_POLICY
+    FOREIGN KEY (POLICY_ID , DEVICE_GROUP_ID)
+    REFERENCES DM_POLICY (ID , ID)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION
+);
+
+-- END OF POLICY AND DEVICE GROUP MAPPING --